ODR warnings for "struct insn_info"
[binutils-gdb.git] / gdb / c-lang.h
1 /* C language support definitions for GDB, the GNU debugger.
2
3 Copyright (C) 1992-2022 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20
21 #if !defined (C_LANG_H)
22 #define C_LANG_H 1
23
24 struct ui_file;
25 struct language_arch_info;
26 struct type_print_options;
27 struct parser_state;
28
29 #include "value.h"
30 #include "macroexp.h"
31 #include "gdbsupport/enum-flags.h"
32
33
34 /* The various kinds of C string and character. Note that these
35 values are chosen so that they may be or'd together in certain
36 ways. */
37 enum c_string_type_values : unsigned
38 {
39 /* An ordinary string: "value". */
40 C_STRING = 0,
41 /* A wide string: L"value". */
42 C_WIDE_STRING = 1,
43 /* A 16-bit Unicode string: u"value". */
44 C_STRING_16 = 2,
45 /* A 32-bit Unicode string: U"value". */
46 C_STRING_32 = 3,
47 /* An ordinary char: 'v'. This can also be or'd with one of the
48 above to form the corresponding CHAR value from a STRING
49 value. */
50 C_CHAR = 4,
51 /* A wide char: L'v'. */
52 C_WIDE_CHAR = 5,
53 /* A 16-bit Unicode char: u'v'. */
54 C_CHAR_16 = 6,
55 /* A 32-bit Unicode char: U'v'. */
56 C_CHAR_32 = 7
57 };
58
59 DEF_ENUM_FLAGS_TYPE (enum c_string_type_values, c_string_type);
60
61 /* Defined in c-exp.y. */
62
63 extern int c_parse (struct parser_state *);
64
65 extern int c_parse_escape (const char **, struct obstack *);
66
67 /* Defined in c-typeprint.c */
68
69 /* Print TYPE to STREAM using syntax appropriate for LANGUAGE, a
70 C-like language. The other parameters are like
71 type_language_defn::print_type's. */
72
73 extern void c_print_type (struct type *type,
74 const char *varstring,
75 struct ui_file *stream,
76 int show, int level,
77 enum language language,
78 const struct type_print_options *flags);
79
80 extern void c_print_typedef (struct type *,
81 struct symbol *,
82 struct ui_file *);
83
84 /* Implement la_value_print_inner for the C family of languages. */
85
86 extern void c_value_print_inner (struct value *, struct ui_file *, int,
87 const struct value_print_options *);
88
89 extern void c_value_print (struct value *, struct ui_file *,
90 const struct value_print_options *);
91
92 /* These are in c-lang.c: */
93
94 extern void c_printchar (int, struct type *, struct ui_file *);
95
96 extern void c_printstr (struct ui_file * stream,
97 struct type *elttype,
98 const gdb_byte *string,
99 unsigned int length,
100 const char *user_encoding,
101 int force_ellipses,
102 const struct value_print_options *options);
103
104 extern void c_language_arch_info (struct gdbarch *gdbarch,
105 struct language_arch_info *lai);
106
107 extern void c_emit_char (int c, struct type *type,
108 struct ui_file *stream, int quoter);
109
110 /* These are in c-typeprint.c: */
111
112 extern void c_type_print_base (struct type *, struct ui_file *,
113 int, int, const struct type_print_options *);
114
115 /* These are in cp-valprint.c */
116
117 extern void cp_print_class_member (const gdb_byte *, struct type *,
118 struct ui_file *, const char *);
119
120 extern void cp_print_value_fields (struct value *,
121 struct ui_file *, int,
122 const struct value_print_options *,
123 struct type **, int);
124
125 /* gcc-2.6 or later (when using -fvtable-thunks)
126 emits a unique named type for a vtable entry.
127 Some gdb code depends on that specific name. */
128
129 extern const char vtbl_ptr_name[];
130
131 extern int cp_is_vtbl_ptr_type (struct type *);
132
133 extern int cp_is_vtbl_member (struct type *);
134
135 /* Return true if TYPE is a string type. Unlike DEFAULT_IS_STRING_TYPE_P
136 this will detect arrays of characters not just TYPE_CODE_STRING. */
137
138 extern bool c_is_string_type_p (struct type *type);
139
140 /* These are in c-valprint.c. */
141
142 extern int c_textual_element_type (struct type *, char);
143
144 /* Create a new instance of the C compiler and return it. This
145 function never returns NULL, but rather throws an exception on
146 failure. This is suitable for use as the
147 language_defn::get_compile_instance method. */
148
149 extern std::unique_ptr<compile_instance> c_get_compile_context ();
150
151 /* Create a new instance of the C++ compiler and return it. This
152 function never returns NULL, but rather throws an exception on
153 failure. This is suitable for use as the
154 language_defn::get_compile_instance method. */
155
156 extern std::unique_ptr<compile_instance> cplus_get_compile_context ();
157
158 /* This takes the user-supplied text and returns a new bit of code to
159 compile.
160
161 This is used as the compute_program language method; see that
162 for a description of the arguments. */
163
164 extern std::string c_compute_program (compile_instance *inst,
165 const char *input,
166 struct gdbarch *gdbarch,
167 const struct block *expr_block,
168 CORE_ADDR expr_pc);
169
170 /* This takes the user-supplied text and returns a new bit of code to compile.
171
172 This is used as the compute_program language method; see that
173 for a description of the arguments. */
174
175 extern std::string cplus_compute_program (compile_instance *inst,
176 const char *input,
177 struct gdbarch *gdbarch,
178 const struct block *expr_block,
179 CORE_ADDR expr_pc);
180
181 #endif /* !defined (C_LANG_H) */